For the initial post, see here . Today's Video Title Concurrency Topic LINQ to SQL Publication Date 25th April, 2007 Download Link (best to save, not stream) http://mtaulty.com/videos/nuggets/l2s/08_mt_l2s_concurrency.wmv Description The LINQ to SQL framework operates an optimistic concurrency model to detect when the data that you're updating has been changed since you selected it from the database. In this video, we'll look at how this works and how you can take control as to which columns take part in concurrency checking.. VS Version Used Visual Studio "Orcas" March CTP Download Size 13MB Running Time 19 minutes Previous Videos Updating Data 24th April, 2007 Deleting Data 23rd April, 2007 Inserting Data 20th April, 2007 Tools for Generating Mapping Information 19th April, 2007 Mapping .NET Types to Relational Schema 18th April, 2007 A Tour Around the DataContext 17th April, 2007 Introduction to LINQ to SQL 16th April, 2007 Next Video Joins [LINQ to SQL], Publish Date: 26th April, 2007.